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<pre><span class="sourceLineNo">001</span>/* ===========================================================<a name="line.1"></a>
<span class="sourceLineNo">002</span> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a>
<span class="sourceLineNo">003</span> * ===========================================================<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * (C) Copyright 2000-2014, by Object Refinery Limited and Contributors.<a name="line.5"></a>
<span class="sourceLineNo">006</span> *<a name="line.6"></a>
<span class="sourceLineNo">007</span> * Project Info:  http://www.jfree.org/jfreechart/index.html<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> * This library is free software; you can redistribute it and/or modify it<a name="line.9"></a>
<span class="sourceLineNo">010</span> * under the terms of the GNU Lesser General Public License as published by<a name="line.10"></a>
<span class="sourceLineNo">011</span> * the Free Software Foundation; either version 2.1 of the License, or<a name="line.11"></a>
<span class="sourceLineNo">012</span> * (at your option) any later version.<a name="line.12"></a>
<span class="sourceLineNo">013</span> *<a name="line.13"></a>
<span class="sourceLineNo">014</span> * This library is distributed in the hope that it will be useful, but<a name="line.14"></a>
<span class="sourceLineNo">015</span> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY<a name="line.15"></a>
<span class="sourceLineNo">016</span> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public<a name="line.16"></a>
<span class="sourceLineNo">017</span> * License for more details.<a name="line.17"></a>
<span class="sourceLineNo">018</span> *<a name="line.18"></a>
<span class="sourceLineNo">019</span> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a>
<span class="sourceLineNo">020</span> * License along with this library; if not, write to the Free Software<a name="line.20"></a>
<span class="sourceLineNo">021</span> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,<a name="line.21"></a>
<span class="sourceLineNo">022</span> * USA.<a name="line.22"></a>
<span class="sourceLineNo">023</span> *<a name="line.23"></a>
<span class="sourceLineNo">024</span> * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. <a name="line.24"></a>
<span class="sourceLineNo">025</span> * Other names may be trademarks of their respective owners.]<a name="line.25"></a>
<span class="sourceLineNo">026</span> *<a name="line.26"></a>
<span class="sourceLineNo">027</span> * --------------<a name="line.27"></a>
<span class="sourceLineNo">028</span> * MeterPlot.java<a name="line.28"></a>
<span class="sourceLineNo">029</span> * --------------<a name="line.29"></a>
<span class="sourceLineNo">030</span> * (C) Copyright 2000-2014, by Hari and Contributors.<a name="line.30"></a>
<span class="sourceLineNo">031</span> *<a name="line.31"></a>
<span class="sourceLineNo">032</span> * Original Author:  Hari (ourhari@hotmail.com);<a name="line.32"></a>
<span class="sourceLineNo">033</span> * Contributor(s):   David Gilbert (for Object Refinery Limited);<a name="line.33"></a>
<span class="sourceLineNo">034</span> *                   Bob Orchard;<a name="line.34"></a>
<span class="sourceLineNo">035</span> *                   Arnaud Lelievre;<a name="line.35"></a>
<span class="sourceLineNo">036</span> *                   Nicolas Brodu;<a name="line.36"></a>
<span class="sourceLineNo">037</span> *                   David Bastend;<a name="line.37"></a>
<span class="sourceLineNo">038</span> *<a name="line.38"></a>
<span class="sourceLineNo">039</span> * Changes<a name="line.39"></a>
<span class="sourceLineNo">040</span> * -------<a name="line.40"></a>
<span class="sourceLineNo">041</span> * 01-Apr-2002 : Version 1, contributed by Hari (DG);<a name="line.41"></a>
<span class="sourceLineNo">042</span> * 23-Apr-2002 : Moved dataset from JFreeChart to Plot (DG);<a name="line.42"></a>
<span class="sourceLineNo">043</span> * 22-Aug-2002 : Added changes suggest by Bob Orchard, changed Color to Paint<a name="line.43"></a>
<span class="sourceLineNo">044</span> *               for consistency, plus added Javadoc comments (DG);<a name="line.44"></a>
<span class="sourceLineNo">045</span> * 01-Oct-2002 : Fixed errors reported by Checkstyle (DG);<a name="line.45"></a>
<span class="sourceLineNo">046</span> * 23-Jan-2003 : Removed one constructor (DG);<a name="line.46"></a>
<span class="sourceLineNo">047</span> * 26-Mar-2003 : Implemented Serializable (DG);<a name="line.47"></a>
<span class="sourceLineNo">048</span> * 20-Aug-2003 : Changed dataset from MeterDataset --&gt; ValueDataset, added<a name="line.48"></a>
<span class="sourceLineNo">049</span> *               equals() method,<a name="line.49"></a>
<span class="sourceLineNo">050</span> * 08-Sep-2003 : Added internationalization via use of properties<a name="line.50"></a>
<span class="sourceLineNo">051</span> *               resourceBundle (RFE 690236) (AL);<a name="line.51"></a>
<span class="sourceLineNo">052</span> *               implemented Cloneable, and various other changes (DG);<a name="line.52"></a>
<span class="sourceLineNo">053</span> * 08-Sep-2003 : Added serialization methods (NB);<a name="line.53"></a>
<span class="sourceLineNo">054</span> * 11-Sep-2003 : Added cloning support (NB);<a name="line.54"></a>
<span class="sourceLineNo">055</span> * 16-Sep-2003 : Changed ChartRenderingInfo --&gt; PlotRenderingInfo (DG);<a name="line.55"></a>
<span class="sourceLineNo">056</span> * 25-Sep-2003 : Fix useless cloning. Correct dataset listener registration in<a name="line.56"></a>
<span class="sourceLineNo">057</span> *               constructor. (NB)<a name="line.57"></a>
<span class="sourceLineNo">058</span> * 29-Oct-2003 : Added workaround for font alignment in PDF output (DG);<a name="line.58"></a>
<span class="sourceLineNo">059</span> * 17-Jan-2004 : Changed to allow dialBackgroundPaint to be set to null - see<a name="line.59"></a>
<span class="sourceLineNo">060</span> *               bug 823628 (DG);<a name="line.60"></a>
<span class="sourceLineNo">061</span> * 07-Apr-2004 : Changed string bounds calculation (DG);<a name="line.61"></a>
<span class="sourceLineNo">062</span> * 12-May-2004 : Added tickLabelFormat attribute - see RFE 949566.  Also<a name="line.62"></a>
<span class="sourceLineNo">063</span> *               updated the equals() method (DG);<a name="line.63"></a>
<span class="sourceLineNo">064</span> * 02-Nov-2004 : Added sanity checks for range, and only draw the needle if the<a name="line.64"></a>
<span class="sourceLineNo">065</span> *               value is contained within the overall range - see bug report<a name="line.65"></a>
<span class="sourceLineNo">066</span> *               1056047 (DG);<a name="line.66"></a>
<span class="sourceLineNo">067</span> * 11-Jan-2005 : Removed deprecated code in preparation for the 1.0.0<a name="line.67"></a>
<span class="sourceLineNo">068</span> *               release (DG);<a name="line.68"></a>
<span class="sourceLineNo">069</span> * 02-Feb-2005 : Added optional background paint for each region (DG);<a name="line.69"></a>
<span class="sourceLineNo">070</span> * 22-Mar-2005 : Removed 'normal', 'warning' and 'critical' regions and put in<a name="line.70"></a>
<span class="sourceLineNo">071</span> *               facility to define an arbitrary number of MeterIntervals,<a name="line.71"></a>
<span class="sourceLineNo">072</span> *               based on a contribution by David Bastend (DG);<a name="line.72"></a>
<span class="sourceLineNo">073</span> * 20-Apr-2005 : Small update for change to LegendItem constructors (DG);<a name="line.73"></a>
<span class="sourceLineNo">074</span> * 05-May-2005 : Updated draw() method parameters (DG);<a name="line.74"></a>
<span class="sourceLineNo">075</span> * 08-Jun-2005 : Fixed equals() method to handle GradientPaint (DG);<a name="line.75"></a>
<span class="sourceLineNo">076</span> * 10-Nov-2005 : Added tickPaint, tickSize and valuePaint attributes, and<a name="line.76"></a>
<span class="sourceLineNo">077</span> *               put value label drawing code into a separate method (DG);<a name="line.77"></a>
<span class="sourceLineNo">078</span> * ------------- JFREECHART 1.0.x ---------------------------------------------<a name="line.78"></a>
<span class="sourceLineNo">079</span> * 05-Mar-2007 : Restore clip region correctly (see bug 1667750) (DG);<a name="line.79"></a>
<span class="sourceLineNo">080</span> * 18-May-2007 : Set dataset for LegendItem (DG);<a name="line.80"></a>
<span class="sourceLineNo">081</span> * 29-Nov-2007 : Fixed serialization bug with dialOutlinePaint (DG);<a name="line.81"></a>
<span class="sourceLineNo">082</span> * 18-Dec-2008 : Use ResourceBundleWrapper - see patch 1607918 by<a name="line.82"></a>
<span class="sourceLineNo">083</span> *               Jess Thrysoee (DG);<a name="line.83"></a>
<span class="sourceLineNo">084</span> * 02-Jul-2013 : Use ParamChecks (DG);<a name="line.84"></a>
<span class="sourceLineNo">085</span> *<a name="line.85"></a>
<span class="sourceLineNo">086</span> */<a name="line.86"></a>
<span class="sourceLineNo">087</span><a name="line.87"></a>
<span class="sourceLineNo">088</span>package org.jfree.chart.plot;<a name="line.88"></a>
<span class="sourceLineNo">089</span><a name="line.89"></a>
<span class="sourceLineNo">090</span>import java.awt.AlphaComposite;<a name="line.90"></a>
<span class="sourceLineNo">091</span>import java.awt.BasicStroke;<a name="line.91"></a>
<span class="sourceLineNo">092</span>import java.awt.Color;<a name="line.92"></a>
<span class="sourceLineNo">093</span>import java.awt.Composite;<a name="line.93"></a>
<span class="sourceLineNo">094</span>import java.awt.Font;<a name="line.94"></a>
<span class="sourceLineNo">095</span>import java.awt.FontMetrics;<a name="line.95"></a>
<span class="sourceLineNo">096</span>import java.awt.Graphics2D;<a name="line.96"></a>
<span class="sourceLineNo">097</span>import java.awt.Paint;<a name="line.97"></a>
<span class="sourceLineNo">098</span>import java.awt.Polygon;<a name="line.98"></a>
<span class="sourceLineNo">099</span>import java.awt.Shape;<a name="line.99"></a>
<span class="sourceLineNo">100</span>import java.awt.Stroke;<a name="line.100"></a>
<span class="sourceLineNo">101</span>import java.awt.geom.Arc2D;<a name="line.101"></a>
<span class="sourceLineNo">102</span>import java.awt.geom.Ellipse2D;<a name="line.102"></a>
<span class="sourceLineNo">103</span>import java.awt.geom.Line2D;<a name="line.103"></a>
<span class="sourceLineNo">104</span>import java.awt.geom.Point2D;<a name="line.104"></a>
<span class="sourceLineNo">105</span>import java.awt.geom.Rectangle2D;<a name="line.105"></a>
<span class="sourceLineNo">106</span>import java.io.IOException;<a name="line.106"></a>
<span class="sourceLineNo">107</span>import java.io.ObjectInputStream;<a name="line.107"></a>
<span class="sourceLineNo">108</span>import java.io.ObjectOutputStream;<a name="line.108"></a>
<span class="sourceLineNo">109</span>import java.io.Serializable;<a name="line.109"></a>
<span class="sourceLineNo">110</span>import java.text.NumberFormat;<a name="line.110"></a>
<span class="sourceLineNo">111</span>import java.util.Collections;<a name="line.111"></a>
<span class="sourceLineNo">112</span>import java.util.Iterator;<a name="line.112"></a>
<span class="sourceLineNo">113</span>import java.util.List;<a name="line.113"></a>
<span class="sourceLineNo">114</span>import java.util.ResourceBundle;<a name="line.114"></a>
<span class="sourceLineNo">115</span><a name="line.115"></a>
<span class="sourceLineNo">116</span>import org.jfree.chart.LegendItem;<a name="line.116"></a>
<span class="sourceLineNo">117</span>import org.jfree.chart.LegendItemCollection;<a name="line.117"></a>
<span class="sourceLineNo">118</span>import org.jfree.chart.event.PlotChangeEvent;<a name="line.118"></a>
<span class="sourceLineNo">119</span>import org.jfree.chart.util.ParamChecks;<a name="line.119"></a>
<span class="sourceLineNo">120</span>import org.jfree.chart.util.ResourceBundleWrapper;<a name="line.120"></a>
<span class="sourceLineNo">121</span>import org.jfree.data.Range;<a name="line.121"></a>
<span class="sourceLineNo">122</span>import org.jfree.data.general.DatasetChangeEvent;<a name="line.122"></a>
<span class="sourceLineNo">123</span>import org.jfree.data.general.ValueDataset;<a name="line.123"></a>
<span class="sourceLineNo">124</span>import org.jfree.io.SerialUtilities;<a name="line.124"></a>
<span class="sourceLineNo">125</span>import org.jfree.text.TextUtilities;<a name="line.125"></a>
<span class="sourceLineNo">126</span>import org.jfree.ui.RectangleInsets;<a name="line.126"></a>
<span class="sourceLineNo">127</span>import org.jfree.ui.TextAnchor;<a name="line.127"></a>
<span class="sourceLineNo">128</span>import org.jfree.util.ObjectUtilities;<a name="line.128"></a>
<span class="sourceLineNo">129</span>import org.jfree.util.PaintUtilities;<a name="line.129"></a>
<span class="sourceLineNo">130</span><a name="line.130"></a>
<span class="sourceLineNo">131</span>/**<a name="line.131"></a>
<span class="sourceLineNo">132</span> * A plot that displays a single value in the form of a needle on a dial.<a name="line.132"></a>
<span class="sourceLineNo">133</span> * Defined ranges (for example, 'normal', 'warning' and 'critical') can be<a name="line.133"></a>
<span class="sourceLineNo">134</span> * highlighted on the dial.<a name="line.134"></a>
<span class="sourceLineNo">135</span> */<a name="line.135"></a>
<span class="sourceLineNo">136</span>public class MeterPlot extends Plot implements Serializable, Cloneable {<a name="line.136"></a>
<span class="sourceLineNo">137</span><a name="line.137"></a>
<span class="sourceLineNo">138</span>    /** For serialization. */<a name="line.138"></a>
<span class="sourceLineNo">139</span>    private static final long serialVersionUID = 2987472457734470962L;<a name="line.139"></a>
<span class="sourceLineNo">140</span><a name="line.140"></a>
<span class="sourceLineNo">141</span>    /** The default background paint. */<a name="line.141"></a>
<span class="sourceLineNo">142</span>    static final Paint DEFAULT_DIAL_BACKGROUND_PAINT = Color.black;<a name="line.142"></a>
<span class="sourceLineNo">143</span><a name="line.143"></a>
<span class="sourceLineNo">144</span>    /** The default needle paint. */<a name="line.144"></a>
<span class="sourceLineNo">145</span>    static final Paint DEFAULT_NEEDLE_PAINT = Color.green;<a name="line.145"></a>
<span class="sourceLineNo">146</span><a name="line.146"></a>
<span class="sourceLineNo">147</span>    /** The default value font. */<a name="line.147"></a>
<span class="sourceLineNo">148</span>    static final Font DEFAULT_VALUE_FONT = new Font("SansSerif", Font.BOLD, 12);<a name="line.148"></a>
<span class="sourceLineNo">149</span><a name="line.149"></a>
<span class="sourceLineNo">150</span>    /** The default value paint. */<a name="line.150"></a>
<span class="sourceLineNo">151</span>    static final Paint DEFAULT_VALUE_PAINT = Color.yellow;<a name="line.151"></a>
<span class="sourceLineNo">152</span><a name="line.152"></a>
<span class="sourceLineNo">153</span>    /** The default meter angle. */<a name="line.153"></a>
<span class="sourceLineNo">154</span>    public static final int DEFAULT_METER_ANGLE = 270;<a name="line.154"></a>
<span class="sourceLineNo">155</span><a name="line.155"></a>
<span class="sourceLineNo">156</span>    /** The default border size. */<a name="line.156"></a>
<span class="sourceLineNo">157</span>    public static final float DEFAULT_BORDER_SIZE = 3f;<a name="line.157"></a>
<span class="sourceLineNo">158</span><a name="line.158"></a>
<span class="sourceLineNo">159</span>    /** The default circle size. */<a name="line.159"></a>
<span class="sourceLineNo">160</span>    public static final float DEFAULT_CIRCLE_SIZE = 10f;<a name="line.160"></a>
<span class="sourceLineNo">161</span><a name="line.161"></a>
<span class="sourceLineNo">162</span>    /** The default label font. */<a name="line.162"></a>
<span class="sourceLineNo">163</span>    public static final Font DEFAULT_LABEL_FONT = new Font("SansSerif",<a name="line.163"></a>
<span class="sourceLineNo">164</span>            Font.BOLD, 10);<a name="line.164"></a>
<span class="sourceLineNo">165</span><a name="line.165"></a>
<span class="sourceLineNo">166</span>    /** The dataset (contains a single value). */<a name="line.166"></a>
<span class="sourceLineNo">167</span>    private ValueDataset dataset;<a name="line.167"></a>
<span class="sourceLineNo">168</span><a name="line.168"></a>
<span class="sourceLineNo">169</span>    /** The dial shape (background shape). */<a name="line.169"></a>
<span class="sourceLineNo">170</span>    private DialShape shape;<a name="line.170"></a>
<span class="sourceLineNo">171</span><a name="line.171"></a>
<span class="sourceLineNo">172</span>    /** The dial extent (measured in degrees). */<a name="line.172"></a>
<span class="sourceLineNo">173</span>    private int meterAngle;<a name="line.173"></a>
<span class="sourceLineNo">174</span><a name="line.174"></a>
<span class="sourceLineNo">175</span>    /** The overall range of data values on the dial. */<a name="line.175"></a>
<span class="sourceLineNo">176</span>    private Range range;<a name="line.176"></a>
<span class="sourceLineNo">177</span><a name="line.177"></a>
<span class="sourceLineNo">178</span>    /** The tick size. */<a name="line.178"></a>
<span class="sourceLineNo">179</span>    private double tickSize;<a name="line.179"></a>
<span class="sourceLineNo">180</span><a name="line.180"></a>
<span class="sourceLineNo">181</span>    /** The paint used to draw the ticks. */<a name="line.181"></a>
<span class="sourceLineNo">182</span>    private transient Paint tickPaint;<a name="line.182"></a>
<span class="sourceLineNo">183</span><a name="line.183"></a>
<span class="sourceLineNo">184</span>    /** The units displayed on the dial. */<a name="line.184"></a>
<span class="sourceLineNo">185</span>    private String units;<a name="line.185"></a>
<span class="sourceLineNo">186</span><a name="line.186"></a>
<span class="sourceLineNo">187</span>    /** The font for the value displayed in the center of the dial. */<a name="line.187"></a>
<span class="sourceLineNo">188</span>    private Font valueFont;<a name="line.188"></a>
<span class="sourceLineNo">189</span><a name="line.189"></a>
<span class="sourceLineNo">190</span>    /** The paint for the value displayed in the center of the dial. */<a name="line.190"></a>
<span class="sourceLineNo">191</span>    private transient Paint valuePaint;<a name="line.191"></a>
<span class="sourceLineNo">192</span><a name="line.192"></a>
<span class="sourceLineNo">193</span>    /** A flag that controls whether or not the border is drawn. */<a name="line.193"></a>
<span class="sourceLineNo">194</span>    private boolean drawBorder;<a name="line.194"></a>
<span class="sourceLineNo">195</span><a name="line.195"></a>
<span class="sourceLineNo">196</span>    /** The outline paint. */<a name="line.196"></a>
<span class="sourceLineNo">197</span>    private transient Paint dialOutlinePaint;<a name="line.197"></a>
<span class="sourceLineNo">198</span><a name="line.198"></a>
<span class="sourceLineNo">199</span>    /** The paint for the dial background. */<a name="line.199"></a>
<span class="sourceLineNo">200</span>    private transient Paint dialBackgroundPaint;<a name="line.200"></a>
<span class="sourceLineNo">201</span><a name="line.201"></a>
<span class="sourceLineNo">202</span>    /** The paint for the needle. */<a name="line.202"></a>
<span class="sourceLineNo">203</span>    private transient Paint needlePaint;<a name="line.203"></a>
<span class="sourceLineNo">204</span><a name="line.204"></a>
<span class="sourceLineNo">205</span>    /** A flag that controls whether or not the tick labels are visible. */<a name="line.205"></a>
<span class="sourceLineNo">206</span>    private boolean tickLabelsVisible;<a name="line.206"></a>
<span class="sourceLineNo">207</span><a name="line.207"></a>
<span class="sourceLineNo">208</span>    /** The tick label font. */<a name="line.208"></a>
<span class="sourceLineNo">209</span>    private Font tickLabelFont;<a name="line.209"></a>
<span class="sourceLineNo">210</span><a name="line.210"></a>
<span class="sourceLineNo">211</span>    /** The tick label paint. */<a name="line.211"></a>
<span class="sourceLineNo">212</span>    private transient Paint tickLabelPaint;<a name="line.212"></a>
<span class="sourceLineNo">213</span><a name="line.213"></a>
<span class="sourceLineNo">214</span>    /** The tick label format. */<a name="line.214"></a>
<span class="sourceLineNo">215</span>    private NumberFormat tickLabelFormat;<a name="line.215"></a>
<span class="sourceLineNo">216</span><a name="line.216"></a>
<span class="sourceLineNo">217</span>    /** The resourceBundle for the localization. */<a name="line.217"></a>
<span class="sourceLineNo">218</span>    protected static ResourceBundle localizationResources<a name="line.218"></a>
<span class="sourceLineNo">219</span>            = ResourceBundleWrapper.getBundle(<a name="line.219"></a>
<span class="sourceLineNo">220</span>                    "org.jfree.chart.plot.LocalizationBundle");<a name="line.220"></a>
<span class="sourceLineNo">221</span><a name="line.221"></a>
<span class="sourceLineNo">222</span>    /**<a name="line.222"></a>
<span class="sourceLineNo">223</span>     * A (possibly empty) list of the {@link MeterInterval}s to be highlighted<a name="line.223"></a>
<span class="sourceLineNo">224</span>     * on the dial.<a name="line.224"></a>
<span class="sourceLineNo">225</span>     */<a name="line.225"></a>
<span class="sourceLineNo">226</span>    private List intervals;<a name="line.226"></a>
<span class="sourceLineNo">227</span><a name="line.227"></a>
<span class="sourceLineNo">228</span>    /**<a name="line.228"></a>
<span class="sourceLineNo">229</span>     * Creates a new plot with a default range of &lt;code&gt;0&lt;/code&gt; to<a name="line.229"></a>
<span class="sourceLineNo">230</span>     * &lt;code&gt;100&lt;/code&gt; and no value to display.<a name="line.230"></a>
<span class="sourceLineNo">231</span>     */<a name="line.231"></a>
<span class="sourceLineNo">232</span>    public MeterPlot() {<a name="line.232"></a>
<span class="sourceLineNo">233</span>        this(null);<a name="line.233"></a>
<span class="sourceLineNo">234</span>    }<a name="line.234"></a>
<span class="sourceLineNo">235</span><a name="line.235"></a>
<span class="sourceLineNo">236</span>    /**<a name="line.236"></a>
<span class="sourceLineNo">237</span>     * Creates a new plot that displays the value from the supplied dataset.<a name="line.237"></a>
<span class="sourceLineNo">238</span>     *<a name="line.238"></a>
<span class="sourceLineNo">239</span>     * @param dataset  the dataset (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.239"></a>
<span class="sourceLineNo">240</span>     */<a name="line.240"></a>
<span class="sourceLineNo">241</span>    public MeterPlot(ValueDataset dataset) {<a name="line.241"></a>
<span class="sourceLineNo">242</span>        super();<a name="line.242"></a>
<span class="sourceLineNo">243</span>        this.shape = DialShape.CIRCLE;<a name="line.243"></a>
<span class="sourceLineNo">244</span>        this.meterAngle = DEFAULT_METER_ANGLE;<a name="line.244"></a>
<span class="sourceLineNo">245</span>        this.range = new Range(0.0, 100.0);<a name="line.245"></a>
<span class="sourceLineNo">246</span>        this.tickSize = 10.0;<a name="line.246"></a>
<span class="sourceLineNo">247</span>        this.tickPaint = Color.white;<a name="line.247"></a>
<span class="sourceLineNo">248</span>        this.units = "Units";<a name="line.248"></a>
<span class="sourceLineNo">249</span>        this.needlePaint = MeterPlot.DEFAULT_NEEDLE_PAINT;<a name="line.249"></a>
<span class="sourceLineNo">250</span>        this.tickLabelsVisible = true;<a name="line.250"></a>
<span class="sourceLineNo">251</span>        this.tickLabelFont = MeterPlot.DEFAULT_LABEL_FONT;<a name="line.251"></a>
<span class="sourceLineNo">252</span>        this.tickLabelPaint = Color.black;<a name="line.252"></a>
<span class="sourceLineNo">253</span>        this.tickLabelFormat = NumberFormat.getInstance();<a name="line.253"></a>
<span class="sourceLineNo">254</span>        this.valueFont = MeterPlot.DEFAULT_VALUE_FONT;<a name="line.254"></a>
<span class="sourceLineNo">255</span>        this.valuePaint = MeterPlot.DEFAULT_VALUE_PAINT;<a name="line.255"></a>
<span class="sourceLineNo">256</span>        this.dialBackgroundPaint = MeterPlot.DEFAULT_DIAL_BACKGROUND_PAINT;<a name="line.256"></a>
<span class="sourceLineNo">257</span>        this.intervals = new java.util.ArrayList();<a name="line.257"></a>
<span class="sourceLineNo">258</span>        setDataset(dataset);<a name="line.258"></a>
<span class="sourceLineNo">259</span>    }<a name="line.259"></a>
<span class="sourceLineNo">260</span><a name="line.260"></a>
<span class="sourceLineNo">261</span>    /**<a name="line.261"></a>
<span class="sourceLineNo">262</span>     * Returns the dial shape.  The default is {@link DialShape#CIRCLE}).<a name="line.262"></a>
<span class="sourceLineNo">263</span>     *<a name="line.263"></a>
<span class="sourceLineNo">264</span>     * @return The dial shape (never &lt;code&gt;null&lt;/code&gt;).<a name="line.264"></a>
<span class="sourceLineNo">265</span>     *<a name="line.265"></a>
<span class="sourceLineNo">266</span>     * @see #setDialShape(DialShape)<a name="line.266"></a>
<span class="sourceLineNo">267</span>     */<a name="line.267"></a>
<span class="sourceLineNo">268</span>    public DialShape getDialShape() {<a name="line.268"></a>
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<span class="sourceLineNo">271</span><a name="line.271"></a>
<span class="sourceLineNo">272</span>    /**<a name="line.272"></a>
<span class="sourceLineNo">273</span>     * Sets the dial shape and sends a {@link PlotChangeEvent} to all<a name="line.273"></a>
<span class="sourceLineNo">274</span>     * registered listeners.<a name="line.274"></a>
<span class="sourceLineNo">275</span>     *<a name="line.275"></a>
<span class="sourceLineNo">276</span>     * @param shape  the shape (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.276"></a>
<span class="sourceLineNo">277</span>     *<a name="line.277"></a>
<span class="sourceLineNo">278</span>     * @see #getDialShape()<a name="line.278"></a>
<span class="sourceLineNo">279</span>     */<a name="line.279"></a>
<span class="sourceLineNo">280</span>    public void setDialShape(DialShape shape) {<a name="line.280"></a>
<span class="sourceLineNo">281</span>        ParamChecks.nullNotPermitted(shape, "shape");<a name="line.281"></a>
<span class="sourceLineNo">282</span>        this.shape = shape;<a name="line.282"></a>
<span class="sourceLineNo">283</span>        fireChangeEvent();<a name="line.283"></a>
<span class="sourceLineNo">284</span>    }<a name="line.284"></a>
<span class="sourceLineNo">285</span><a name="line.285"></a>
<span class="sourceLineNo">286</span>    /**<a name="line.286"></a>
<span class="sourceLineNo">287</span>     * Returns the meter angle in degrees.  This defines, in part, the shape<a name="line.287"></a>
<span class="sourceLineNo">288</span>     * of the dial.  The default is 270 degrees.<a name="line.288"></a>
<span class="sourceLineNo">289</span>     *<a name="line.289"></a>
<span class="sourceLineNo">290</span>     * @return The meter angle (in degrees).<a name="line.290"></a>
<span class="sourceLineNo">291</span>     *<a name="line.291"></a>
<span class="sourceLineNo">292</span>     * @see #setMeterAngle(int)<a name="line.292"></a>
<span class="sourceLineNo">293</span>     */<a name="line.293"></a>
<span class="sourceLineNo">294</span>    public int getMeterAngle() {<a name="line.294"></a>
<span class="sourceLineNo">295</span>        return this.meterAngle;<a name="line.295"></a>
<span class="sourceLineNo">296</span>    }<a name="line.296"></a>
<span class="sourceLineNo">297</span><a name="line.297"></a>
<span class="sourceLineNo">298</span>    /**<a name="line.298"></a>
<span class="sourceLineNo">299</span>     * Sets the angle (in degrees) for the whole range of the dial and sends<a name="line.299"></a>
<span class="sourceLineNo">300</span>     * a {@link PlotChangeEvent} to all registered listeners.<a name="line.300"></a>
<span class="sourceLineNo">301</span>     *<a name="line.301"></a>
<span class="sourceLineNo">302</span>     * @param angle  the angle (in degrees, in the range 1-360).<a name="line.302"></a>
<span class="sourceLineNo">303</span>     *<a name="line.303"></a>
<span class="sourceLineNo">304</span>     * @see #getMeterAngle()<a name="line.304"></a>
<span class="sourceLineNo">305</span>     */<a name="line.305"></a>
<span class="sourceLineNo">306</span>    public void setMeterAngle(int angle) {<a name="line.306"></a>
<span class="sourceLineNo">307</span>        if (angle &lt; 1 || angle &gt; 360) {<a name="line.307"></a>
<span class="sourceLineNo">308</span>            throw new IllegalArgumentException("Invalid 'angle' (" + angle<a name="line.308"></a>
<span class="sourceLineNo">309</span>                    + ")");<a name="line.309"></a>
<span class="sourceLineNo">310</span>        }<a name="line.310"></a>
<span class="sourceLineNo">311</span>        this.meterAngle = angle;<a name="line.311"></a>
<span class="sourceLineNo">312</span>        fireChangeEvent();<a name="line.312"></a>
<span class="sourceLineNo">313</span>    }<a name="line.313"></a>
<span class="sourceLineNo">314</span><a name="line.314"></a>
<span class="sourceLineNo">315</span>    /**<a name="line.315"></a>
<span class="sourceLineNo">316</span>     * Returns the overall range for the dial.<a name="line.316"></a>
<span class="sourceLineNo">317</span>     *<a name="line.317"></a>
<span class="sourceLineNo">318</span>     * @return The overall range (never &lt;code&gt;null&lt;/code&gt;).<a name="line.318"></a>
<span class="sourceLineNo">319</span>     *<a name="line.319"></a>
<span class="sourceLineNo">320</span>     * @see #setRange(Range)<a name="line.320"></a>
<span class="sourceLineNo">321</span>     */<a name="line.321"></a>
<span class="sourceLineNo">322</span>    public Range getRange() {<a name="line.322"></a>
<span class="sourceLineNo">323</span>        return this.range;<a name="line.323"></a>
<span class="sourceLineNo">324</span>    }<a name="line.324"></a>
<span class="sourceLineNo">325</span><a name="line.325"></a>
<span class="sourceLineNo">326</span>    /**<a name="line.326"></a>
<span class="sourceLineNo">327</span>     * Sets the range for the dial and sends a {@link PlotChangeEvent} to all<a name="line.327"></a>
<span class="sourceLineNo">328</span>     * registered listeners.<a name="line.328"></a>
<span class="sourceLineNo">329</span>     *<a name="line.329"></a>
<span class="sourceLineNo">330</span>     * @param range  the range (&lt;code&gt;null&lt;/code&gt; not permitted and zero-length<a name="line.330"></a>
<span class="sourceLineNo">331</span>     *               ranges not permitted).<a name="line.331"></a>
<span class="sourceLineNo">332</span>     *<a name="line.332"></a>
<span class="sourceLineNo">333</span>     * @see #getRange()<a name="line.333"></a>
<span class="sourceLineNo">334</span>     */<a name="line.334"></a>
<span class="sourceLineNo">335</span>    public void setRange(Range range) {<a name="line.335"></a>
<span class="sourceLineNo">336</span>        ParamChecks.nullNotPermitted(range, "range");<a name="line.336"></a>
<span class="sourceLineNo">337</span>        if (!(range.getLength() &gt; 0.0)) {<a name="line.337"></a>
<span class="sourceLineNo">338</span>            throw new IllegalArgumentException(<a name="line.338"></a>
<span class="sourceLineNo">339</span>                    "Range length must be positive.");<a name="line.339"></a>
<span class="sourceLineNo">340</span>        }<a name="line.340"></a>
<span class="sourceLineNo">341</span>        this.range = range;<a name="line.341"></a>
<span class="sourceLineNo">342</span>        fireChangeEvent();<a name="line.342"></a>
<span class="sourceLineNo">343</span>    }<a name="line.343"></a>
<span class="sourceLineNo">344</span><a name="line.344"></a>
<span class="sourceLineNo">345</span>    /**<a name="line.345"></a>
<span class="sourceLineNo">346</span>     * Returns the tick size (the interval between ticks on the dial).<a name="line.346"></a>
<span class="sourceLineNo">347</span>     *<a name="line.347"></a>
<span class="sourceLineNo">348</span>     * @return The tick size.<a name="line.348"></a>
<span class="sourceLineNo">349</span>     *<a name="line.349"></a>
<span class="sourceLineNo">350</span>     * @see #setTickSize(double)<a name="line.350"></a>
<span class="sourceLineNo">351</span>     */<a name="line.351"></a>
<span class="sourceLineNo">352</span>    public double getTickSize() {<a name="line.352"></a>
<span class="sourceLineNo">353</span>        return this.tickSize;<a name="line.353"></a>
<span class="sourceLineNo">354</span>    }<a name="line.354"></a>
<span class="sourceLineNo">355</span><a name="line.355"></a>
<span class="sourceLineNo">356</span>    /**<a name="line.356"></a>
<span class="sourceLineNo">357</span>     * Sets the tick size and sends a {@link PlotChangeEvent} to all<a name="line.357"></a>
<span class="sourceLineNo">358</span>     * registered listeners.<a name="line.358"></a>
<span class="sourceLineNo">359</span>     *<a name="line.359"></a>
<span class="sourceLineNo">360</span>     * @param size  the tick size (must be &amp;gt; 0).<a name="line.360"></a>
<span class="sourceLineNo">361</span>     *<a name="line.361"></a>
<span class="sourceLineNo">362</span>     * @see #getTickSize()<a name="line.362"></a>
<span class="sourceLineNo">363</span>     */<a name="line.363"></a>
<span class="sourceLineNo">364</span>    public void setTickSize(double size) {<a name="line.364"></a>
<span class="sourceLineNo">365</span>        if (size &lt;= 0) {<a name="line.365"></a>
<span class="sourceLineNo">366</span>            throw new IllegalArgumentException("Requires 'size' &gt; 0.");<a name="line.366"></a>
<span class="sourceLineNo">367</span>        }<a name="line.367"></a>
<span class="sourceLineNo">368</span>        this.tickSize = size;<a name="line.368"></a>
<span class="sourceLineNo">369</span>        fireChangeEvent();<a name="line.369"></a>
<span class="sourceLineNo">370</span>    }<a name="line.370"></a>
<span class="sourceLineNo">371</span><a name="line.371"></a>
<span class="sourceLineNo">372</span>    /**<a name="line.372"></a>
<span class="sourceLineNo">373</span>     * Returns the paint used to draw the ticks around the dial.<a name="line.373"></a>
<span class="sourceLineNo">374</span>     *<a name="line.374"></a>
<span class="sourceLineNo">375</span>     * @return The paint used to draw the ticks around the dial (never<a name="line.375"></a>
<span class="sourceLineNo">376</span>     *         &lt;code&gt;null&lt;/code&gt;).<a name="line.376"></a>
<span class="sourceLineNo">377</span>     *<a name="line.377"></a>
<span class="sourceLineNo">378</span>     * @see #setTickPaint(Paint)<a name="line.378"></a>
<span class="sourceLineNo">379</span>     */<a name="line.379"></a>
<span class="sourceLineNo">380</span>    public Paint getTickPaint() {<a name="line.380"></a>
<span class="sourceLineNo">381</span>        return this.tickPaint;<a name="line.381"></a>
<span class="sourceLineNo">382</span>    }<a name="line.382"></a>
<span class="sourceLineNo">383</span><a name="line.383"></a>
<span class="sourceLineNo">384</span>    /**<a name="line.384"></a>
<span class="sourceLineNo">385</span>     * Sets the paint used to draw the tick labels around the dial and sends<a name="line.385"></a>
<span class="sourceLineNo">386</span>     * a {@link PlotChangeEvent} to all registered listeners.<a name="line.386"></a>
<span class="sourceLineNo">387</span>     *<a name="line.387"></a>
<span class="sourceLineNo">388</span>     * @param paint  the paint (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.388"></a>
<span class="sourceLineNo">389</span>     *<a name="line.389"></a>
<span class="sourceLineNo">390</span>     * @see #getTickPaint()<a name="line.390"></a>
<span class="sourceLineNo">391</span>     */<a name="line.391"></a>
<span class="sourceLineNo">392</span>    public void setTickPaint(Paint paint) {<a name="line.392"></a>
<span class="sourceLineNo">393</span>        ParamChecks.nullNotPermitted(paint, "paint");<a name="line.393"></a>
<span class="sourceLineNo">394</span>        this.tickPaint = paint;<a name="line.394"></a>
<span class="sourceLineNo">395</span>        fireChangeEvent();<a name="line.395"></a>
<span class="sourceLineNo">396</span>    }<a name="line.396"></a>
<span class="sourceLineNo">397</span><a name="line.397"></a>
<span class="sourceLineNo">398</span>    /**<a name="line.398"></a>
<span class="sourceLineNo">399</span>     * Returns a string describing the units for the dial.<a name="line.399"></a>
<span class="sourceLineNo">400</span>     *<a name="line.400"></a>
<span class="sourceLineNo">401</span>     * @return The units (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.401"></a>
<span class="sourceLineNo">402</span>     *<a name="line.402"></a>
<span class="sourceLineNo">403</span>     * @see #setUnits(String)<a name="line.403"></a>
<span class="sourceLineNo">404</span>     */<a name="line.404"></a>
<span class="sourceLineNo">405</span>    public String getUnits() {<a name="line.405"></a>
<span class="sourceLineNo">406</span>        return this.units;<a name="line.406"></a>
<span class="sourceLineNo">407</span>    }<a name="line.407"></a>
<span class="sourceLineNo">408</span><a name="line.408"></a>
<span class="sourceLineNo">409</span>    /**<a name="line.409"></a>
<span class="sourceLineNo">410</span>     * Sets the units for the dial and sends a {@link PlotChangeEvent} to all<a name="line.410"></a>
<span class="sourceLineNo">411</span>     * registered listeners.<a name="line.411"></a>
<span class="sourceLineNo">412</span>     *<a name="line.412"></a>
<span class="sourceLineNo">413</span>     * @param units  the units (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.413"></a>
<span class="sourceLineNo">414</span>     *<a name="line.414"></a>
<span class="sourceLineNo">415</span>     * @see #getUnits()<a name="line.415"></a>
<span class="sourceLineNo">416</span>     */<a name="line.416"></a>
<span class="sourceLineNo">417</span>    public void setUnits(String units) {<a name="line.417"></a>
<span class="sourceLineNo">418</span>        this.units = units;<a name="line.418"></a>
<span class="sourceLineNo">419</span>        fireChangeEvent();<a name="line.419"></a>
<span class="sourceLineNo">420</span>    }<a name="line.420"></a>
<span class="sourceLineNo">421</span><a name="line.421"></a>
<span class="sourceLineNo">422</span>    /**<a name="line.422"></a>
<span class="sourceLineNo">423</span>     * Returns the paint for the needle.<a name="line.423"></a>
<span class="sourceLineNo">424</span>     *<a name="line.424"></a>
<span class="sourceLineNo">425</span>     * @return The paint (never &lt;code&gt;null&lt;/code&gt;).<a name="line.425"></a>
<span class="sourceLineNo">426</span>     *<a name="line.426"></a>
<span class="sourceLineNo">427</span>     * @see #setNeedlePaint(Paint)<a name="line.427"></a>
<span class="sourceLineNo">428</span>     */<a name="line.428"></a>
<span class="sourceLineNo">429</span>    public Paint getNeedlePaint() {<a name="line.429"></a>
<span class="sourceLineNo">430</span>        return this.needlePaint;<a name="line.430"></a>
<span class="sourceLineNo">431</span>    }<a name="line.431"></a>
<span class="sourceLineNo">432</span><a name="line.432"></a>
<span class="sourceLineNo">433</span>    /**<a name="line.433"></a>
<span class="sourceLineNo">434</span>     * Sets the paint used to display the needle and sends a<a name="line.434"></a>
<span class="sourceLineNo">435</span>     * {@link PlotChangeEvent} to all registered listeners.<a name="line.435"></a>
<span class="sourceLineNo">436</span>     *<a name="line.436"></a>
<span class="sourceLineNo">437</span>     * @param paint  the paint (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.437"></a>
<span class="sourceLineNo">438</span>     *<a name="line.438"></a>
<span class="sourceLineNo">439</span>     * @see #getNeedlePaint()<a name="line.439"></a>
<span class="sourceLineNo">440</span>     */<a name="line.440"></a>
<span class="sourceLineNo">441</span>    public void setNeedlePaint(Paint paint) {<a name="line.441"></a>
<span class="sourceLineNo">442</span>        ParamChecks.nullNotPermitted(paint, "paint");<a name="line.442"></a>
<span class="sourceLineNo">443</span>        this.needlePaint = paint;<a name="line.443"></a>
<span class="sourceLineNo">444</span>        fireChangeEvent();<a name="line.444"></a>
<span class="sourceLineNo">445</span>    }<a name="line.445"></a>
<span class="sourceLineNo">446</span><a name="line.446"></a>
<span class="sourceLineNo">447</span>    /**<a name="line.447"></a>
<span class="sourceLineNo">448</span>     * Returns the flag that determines whether or not tick labels are visible.<a name="line.448"></a>
<span class="sourceLineNo">449</span>     *<a name="line.449"></a>
<span class="sourceLineNo">450</span>     * @return The flag.<a name="line.450"></a>
<span class="sourceLineNo">451</span>     *<a name="line.451"></a>
<span class="sourceLineNo">452</span>     * @see #setTickLabelsVisible(boolean)<a name="line.452"></a>
<span class="sourceLineNo">453</span>     */<a name="line.453"></a>
<span class="sourceLineNo">454</span>    public boolean getTickLabelsVisible() {<a name="line.454"></a>
<span class="sourceLineNo">455</span>        return this.tickLabelsVisible;<a name="line.455"></a>
<span class="sourceLineNo">456</span>    }<a name="line.456"></a>
<span class="sourceLineNo">457</span><a name="line.457"></a>
<span class="sourceLineNo">458</span>    /**<a name="line.458"></a>
<span class="sourceLineNo">459</span>     * Sets the flag that controls whether or not the tick labels are visible<a name="line.459"></a>
<span class="sourceLineNo">460</span>     * and sends a {@link PlotChangeEvent} to all registered listeners.<a name="line.460"></a>
<span class="sourceLineNo">461</span>     *<a name="line.461"></a>
<span class="sourceLineNo">462</span>     * @param visible  the flag.<a name="line.462"></a>
<span class="sourceLineNo">463</span>     *<a name="line.463"></a>
<span class="sourceLineNo">464</span>     * @see #getTickLabelsVisible()<a name="line.464"></a>
<span class="sourceLineNo">465</span>     */<a name="line.465"></a>
<span class="sourceLineNo">466</span>    public void setTickLabelsVisible(boolean visible) {<a name="line.466"></a>
<span class="sourceLineNo">467</span>        if (this.tickLabelsVisible != visible) {<a name="line.467"></a>
<span class="sourceLineNo">468</span>            this.tickLabelsVisible = visible;<a name="line.468"></a>
<span class="sourceLineNo">469</span>            fireChangeEvent();<a name="line.469"></a>
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<span class="sourceLineNo">471</span>    }<a name="line.471"></a>
<span class="sourceLineNo">472</span><a name="line.472"></a>
<span class="sourceLineNo">473</span>    /**<a name="line.473"></a>
<span class="sourceLineNo">474</span>     * Returns the tick label font.<a name="line.474"></a>
<span class="sourceLineNo">475</span>     *<a name="line.475"></a>
<span class="sourceLineNo">476</span>     * @return The font (never &lt;code&gt;null&lt;/code&gt;).<a name="line.476"></a>
<span class="sourceLineNo">477</span>     *<a name="line.477"></a>
<span class="sourceLineNo">478</span>     * @see #setTickLabelFont(Font)<a name="line.478"></a>
<span class="sourceLineNo">479</span>     */<a name="line.479"></a>
<span class="sourceLineNo">480</span>    public Font getTickLabelFont() {<a name="line.480"></a>
<span class="sourceLineNo">481</span>        return this.tickLabelFont;<a name="line.481"></a>
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<span class="sourceLineNo">483</span><a name="line.483"></a>
<span class="sourceLineNo">484</span>    /**<a name="line.484"></a>
<span class="sourceLineNo">485</span>     * Sets the tick label font and sends a {@link PlotChangeEvent} to all<a name="line.485"></a>
<span class="sourceLineNo">486</span>     * registered listeners.<a name="line.486"></a>
<span class="sourceLineNo">487</span>     *<a name="line.487"></a>
<span class="sourceLineNo">488</span>     * @param font  the font (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.488"></a>
<span class="sourceLineNo">489</span>     *<a name="line.489"></a>
<span class="sourceLineNo">490</span>     * @see #getTickLabelFont()<a name="line.490"></a>
<span class="sourceLineNo">491</span>     */<a name="line.491"></a>
<span class="sourceLineNo">492</span>    public void setTickLabelFont(Font font) {<a name="line.492"></a>
<span class="sourceLineNo">493</span>        ParamChecks.nullNotPermitted(font, "font");<a name="line.493"></a>
<span class="sourceLineNo">494</span>        if (!this.tickLabelFont.equals(font)) {<a name="line.494"></a>
<span class="sourceLineNo">495</span>            this.tickLabelFont = font;<a name="line.495"></a>
<span class="sourceLineNo">496</span>            fireChangeEvent();<a name="line.496"></a>
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<span class="sourceLineNo">498</span>    }<a name="line.498"></a>
<span class="sourceLineNo">499</span><a name="line.499"></a>
<span class="sourceLineNo">500</span>    /**<a name="line.500"></a>
<span class="sourceLineNo">501</span>     * Returns the tick label paint.<a name="line.501"></a>
<span class="sourceLineNo">502</span>     *<a name="line.502"></a>
<span class="sourceLineNo">503</span>     * @return The paint (never &lt;code&gt;null&lt;/code&gt;).<a name="line.503"></a>
<span class="sourceLineNo">504</span>     *<a name="line.504"></a>
<span class="sourceLineNo">505</span>     * @see #setTickLabelPaint(Paint)<a name="line.505"></a>
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<span class="sourceLineNo">510</span><a name="line.510"></a>
<span class="sourceLineNo">511</span>    /**<a name="line.511"></a>
<span class="sourceLineNo">512</span>     * Sets the tick label paint and sends a {@link PlotChangeEvent} to all<a name="line.512"></a>
<span class="sourceLineNo">513</span>     * registered listeners.<a name="line.513"></a>
<span class="sourceLineNo">514</span>     *<a name="line.514"></a>
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<span class="sourceLineNo">516</span>     *<a name="line.516"></a>
<span class="sourceLineNo">517</span>     * @see #getTickLabelPaint()<a name="line.517"></a>
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<span class="sourceLineNo">526</span><a name="line.526"></a>
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<span class="sourceLineNo">528</span>     * Returns the tick label format.<a name="line.528"></a>
<span class="sourceLineNo">529</span>     *<a name="line.529"></a>
<span class="sourceLineNo">530</span>     * @return The tick label format (never &lt;code&gt;null&lt;/code&gt;).<a name="line.530"></a>
<span class="sourceLineNo">531</span>     *<a name="line.531"></a>
<span class="sourceLineNo">532</span>     * @see #setTickLabelFormat(NumberFormat)<a name="line.532"></a>
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<span class="sourceLineNo">540</span>     * to all registered listeners.<a name="line.540"></a>
<span class="sourceLineNo">541</span>     *<a name="line.541"></a>
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<span class="sourceLineNo">544</span>     * @see #getTickLabelFormat()<a name="line.544"></a>
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<span class="sourceLineNo">551</span><a name="line.551"></a>
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<span class="sourceLineNo">554</span>     *<a name="line.554"></a>
<span class="sourceLineNo">555</span>     * @return The font (never &lt;code&gt;null&lt;/code&gt;).<a name="line.555"></a>
<span class="sourceLineNo">556</span>     *<a name="line.556"></a>
<span class="sourceLineNo">557</span>     * @see #setValueFont(Font)<a name="line.557"></a>
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<span class="sourceLineNo">564</span>     * Sets the font used to display the value label and sends a<a name="line.564"></a>
<span class="sourceLineNo">565</span>     * {@link PlotChangeEvent} to all registered listeners.<a name="line.565"></a>
<span class="sourceLineNo">566</span>     *<a name="line.566"></a>
<span class="sourceLineNo">567</span>     * @param font  the font (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.567"></a>
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<span class="sourceLineNo">576</span><a name="line.576"></a>
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<span class="sourceLineNo">578</span>     * Returns the paint for the value label.<a name="line.578"></a>
<span class="sourceLineNo">579</span>     *<a name="line.579"></a>
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<span class="sourceLineNo">581</span>     *<a name="line.581"></a>
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<span class="sourceLineNo">588</span>    /**<a name="line.588"></a>
<span class="sourceLineNo">589</span>     * Sets the paint used to display the value label and sends a<a name="line.589"></a>
<span class="sourceLineNo">590</span>     * {@link PlotChangeEvent} to all registered listeners.<a name="line.590"></a>
<span class="sourceLineNo">591</span>     *<a name="line.591"></a>
<span class="sourceLineNo">592</span>     * @param paint  the paint (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.592"></a>
<span class="sourceLineNo">593</span>     *<a name="line.593"></a>
<span class="sourceLineNo">594</span>     * @see #getValuePaint()<a name="line.594"></a>
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<span class="sourceLineNo">598</span>        this.valuePaint = paint;<a name="line.598"></a>
<span class="sourceLineNo">599</span>        fireChangeEvent();<a name="line.599"></a>
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<span class="sourceLineNo">601</span><a name="line.601"></a>
<span class="sourceLineNo">602</span>    /**<a name="line.602"></a>
<span class="sourceLineNo">603</span>     * Returns the paint for the dial background.<a name="line.603"></a>
<span class="sourceLineNo">604</span>     *<a name="line.604"></a>
<span class="sourceLineNo">605</span>     * @return The paint (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.605"></a>
<span class="sourceLineNo">606</span>     *<a name="line.606"></a>
<span class="sourceLineNo">607</span>     * @see #setDialBackgroundPaint(Paint)<a name="line.607"></a>
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<span class="sourceLineNo">612</span><a name="line.612"></a>
<span class="sourceLineNo">613</span>    /**<a name="line.613"></a>
<span class="sourceLineNo">614</span>     * Sets the paint used to fill the dial background.  Set this to<a name="line.614"></a>
<span class="sourceLineNo">615</span>     * &lt;code&gt;null&lt;/code&gt; for no background.<a name="line.615"></a>
<span class="sourceLineNo">616</span>     *<a name="line.616"></a>
<span class="sourceLineNo">617</span>     * @param paint  the paint (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.617"></a>
<span class="sourceLineNo">618</span>     *<a name="line.618"></a>
<span class="sourceLineNo">619</span>     * @see #getDialBackgroundPaint()<a name="line.619"></a>
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<span class="sourceLineNo">623</span>        fireChangeEvent();<a name="line.623"></a>
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<span class="sourceLineNo">625</span><a name="line.625"></a>
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<span class="sourceLineNo">627</span>     * Returns a flag that controls whether or not a rectangular border is<a name="line.627"></a>
<span class="sourceLineNo">628</span>     * drawn around the plot area.<a name="line.628"></a>
<span class="sourceLineNo">629</span>     *<a name="line.629"></a>
<span class="sourceLineNo">630</span>     * @return A flag.<a name="line.630"></a>
<span class="sourceLineNo">631</span>     *<a name="line.631"></a>
<span class="sourceLineNo">632</span>     * @see #setDrawBorder(boolean)<a name="line.632"></a>
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<span class="sourceLineNo">637</span><a name="line.637"></a>
<span class="sourceLineNo">638</span>    /**<a name="line.638"></a>
<span class="sourceLineNo">639</span>     * Sets the flag that controls whether or not a rectangular border is drawn<a name="line.639"></a>
<span class="sourceLineNo">640</span>     * around the plot area and sends a {@link PlotChangeEvent} to all<a name="line.640"></a>
<span class="sourceLineNo">641</span>     * registered listeners.<a name="line.641"></a>
<span class="sourceLineNo">642</span>     *<a name="line.642"></a>
<span class="sourceLineNo">643</span>     * @param draw  the flag.<a name="line.643"></a>
<span class="sourceLineNo">644</span>     *<a name="line.644"></a>
<span class="sourceLineNo">645</span>     * @see #getDrawBorder()<a name="line.645"></a>
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<span class="sourceLineNo">648</span>        // TODO: fix output when this flag is set to true<a name="line.648"></a>
<span class="sourceLineNo">649</span>        this.drawBorder = draw;<a name="line.649"></a>
<span class="sourceLineNo">650</span>        fireChangeEvent();<a name="line.650"></a>
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<span class="sourceLineNo">652</span><a name="line.652"></a>
<span class="sourceLineNo">653</span>    /**<a name="line.653"></a>
<span class="sourceLineNo">654</span>     * Returns the dial outline paint.<a name="line.654"></a>
<span class="sourceLineNo">655</span>     *<a name="line.655"></a>
<span class="sourceLineNo">656</span>     * @return The paint.<a name="line.656"></a>
<span class="sourceLineNo">657</span>     *<a name="line.657"></a>
<span class="sourceLineNo">658</span>     * @see #setDialOutlinePaint(Paint)<a name="line.658"></a>
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<span class="sourceLineNo">663</span><a name="line.663"></a>
<span class="sourceLineNo">664</span>    /**<a name="line.664"></a>
<span class="sourceLineNo">665</span>     * Sets the dial outline paint and sends a {@link PlotChangeEvent} to all<a name="line.665"></a>
<span class="sourceLineNo">666</span>     * registered listeners.<a name="line.666"></a>
<span class="sourceLineNo">667</span>     *<a name="line.667"></a>
<span class="sourceLineNo">668</span>     * @param paint  the paint.<a name="line.668"></a>
<span class="sourceLineNo">669</span>     *<a name="line.669"></a>
<span class="sourceLineNo">670</span>     * @see #getDialOutlinePaint()<a name="line.670"></a>
<span class="sourceLineNo">671</span>     */<a name="line.671"></a>
<span class="sourceLineNo">672</span>    public void setDialOutlinePaint(Paint paint) {<a name="line.672"></a>
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<span class="sourceLineNo">674</span>        fireChangeEvent();<a name="line.674"></a>
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<span class="sourceLineNo">676</span><a name="line.676"></a>
<span class="sourceLineNo">677</span>    /**<a name="line.677"></a>
<span class="sourceLineNo">678</span>     * Returns the dataset for the plot.<a name="line.678"></a>
<span class="sourceLineNo">679</span>     *<a name="line.679"></a>
<span class="sourceLineNo">680</span>     * @return The dataset (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.680"></a>
<span class="sourceLineNo">681</span>     *<a name="line.681"></a>
<span class="sourceLineNo">682</span>     * @see #setDataset(ValueDataset)<a name="line.682"></a>
<span class="sourceLineNo">683</span>     */<a name="line.683"></a>
<span class="sourceLineNo">684</span>    public ValueDataset getDataset() {<a name="line.684"></a>
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<span class="sourceLineNo">687</span><a name="line.687"></a>
<span class="sourceLineNo">688</span>    /**<a name="line.688"></a>
<span class="sourceLineNo">689</span>     * Sets the dataset for the plot, replacing the existing dataset if there<a name="line.689"></a>
<span class="sourceLineNo">690</span>     * is one, and triggers a {@link PlotChangeEvent}.<a name="line.690"></a>
<span class="sourceLineNo">691</span>     *<a name="line.691"></a>
<span class="sourceLineNo">692</span>     * @param dataset  the dataset (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.692"></a>
<span class="sourceLineNo">693</span>     *<a name="line.693"></a>
<span class="sourceLineNo">694</span>     * @see #getDataset()<a name="line.694"></a>
<span class="sourceLineNo">695</span>     */<a name="line.695"></a>
<span class="sourceLineNo">696</span>    public void setDataset(ValueDataset dataset) {<a name="line.696"></a>
<span class="sourceLineNo">697</span><a name="line.697"></a>
<span class="sourceLineNo">698</span>        // if there is an existing dataset, remove the plot from the list of<a name="line.698"></a>
<span class="sourceLineNo">699</span>        // change listeners...<a name="line.699"></a>
<span class="sourceLineNo">700</span>        ValueDataset existing = this.dataset;<a name="line.700"></a>
<span class="sourceLineNo">701</span>        if (existing != null) {<a name="line.701"></a>
<span class="sourceLineNo">702</span>            existing.removeChangeListener(this);<a name="line.702"></a>
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<span class="sourceLineNo">704</span><a name="line.704"></a>
<span class="sourceLineNo">705</span>        // set the new dataset, and register the chart as a change listener...<a name="line.705"></a>
<span class="sourceLineNo">706</span>        this.dataset = dataset;<a name="line.706"></a>
<span class="sourceLineNo">707</span>        if (dataset != null) {<a name="line.707"></a>
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<span class="sourceLineNo">709</span>            dataset.addChangeListener(this);<a name="line.709"></a>
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<span class="sourceLineNo">711</span><a name="line.711"></a>
<span class="sourceLineNo">712</span>        // send a dataset change event to self...<a name="line.712"></a>
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<span class="sourceLineNo">715</span><a name="line.715"></a>
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<span class="sourceLineNo">717</span><a name="line.717"></a>
<span class="sourceLineNo">718</span>    /**<a name="line.718"></a>
<span class="sourceLineNo">719</span>     * Returns an unmodifiable list of the intervals for the plot.<a name="line.719"></a>
<span class="sourceLineNo">720</span>     *<a name="line.720"></a>
<span class="sourceLineNo">721</span>     * @return A list.<a name="line.721"></a>
<span class="sourceLineNo">722</span>     *<a name="line.722"></a>
<span class="sourceLineNo">723</span>     * @see #addInterval(MeterInterval)<a name="line.723"></a>
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<span class="sourceLineNo">728</span><a name="line.728"></a>
<span class="sourceLineNo">729</span>    /**<a name="line.729"></a>
<span class="sourceLineNo">730</span>     * Adds an interval and sends a {@link PlotChangeEvent} to all registered<a name="line.730"></a>
<span class="sourceLineNo">731</span>     * listeners.<a name="line.731"></a>
<span class="sourceLineNo">732</span>     *<a name="line.732"></a>
<span class="sourceLineNo">733</span>     * @param interval  the interval (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.733"></a>
<span class="sourceLineNo">734</span>     *<a name="line.734"></a>
<span class="sourceLineNo">735</span>     * @see #getIntervals()<a name="line.735"></a>
<span class="sourceLineNo">736</span>     * @see #clearIntervals()<a name="line.736"></a>
<span class="sourceLineNo">737</span>     */<a name="line.737"></a>
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<span class="sourceLineNo">739</span>        ParamChecks.nullNotPermitted(interval, "interval");<a name="line.739"></a>
<span class="sourceLineNo">740</span>        this.intervals.add(interval);<a name="line.740"></a>
<span class="sourceLineNo">741</span>        fireChangeEvent();<a name="line.741"></a>
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<span class="sourceLineNo">743</span><a name="line.743"></a>
<span class="sourceLineNo">744</span>    /**<a name="line.744"></a>
<span class="sourceLineNo">745</span>     * Clears the intervals for the plot and sends a {@link PlotChangeEvent} to<a name="line.745"></a>
<span class="sourceLineNo">746</span>     * all registered listeners.<a name="line.746"></a>
<span class="sourceLineNo">747</span>     *<a name="line.747"></a>
<span class="sourceLineNo">748</span>     * @see #addInterval(MeterInterval)<a name="line.748"></a>
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<span class="sourceLineNo">754</span><a name="line.754"></a>
<span class="sourceLineNo">755</span>    /**<a name="line.755"></a>
<span class="sourceLineNo">756</span>     * Returns an item for each interval.<a name="line.756"></a>
<span class="sourceLineNo">757</span>     *<a name="line.757"></a>
<span class="sourceLineNo">758</span>     * @return A collection of legend items.<a name="line.758"></a>
<span class="sourceLineNo">759</span>     */<a name="line.759"></a>
<span class="sourceLineNo">760</span>    @Override<a name="line.760"></a>
<span class="sourceLineNo">761</span>    public LegendItemCollection getLegendItems() {<a name="line.761"></a>
<span class="sourceLineNo">762</span>        LegendItemCollection result = new LegendItemCollection();<a name="line.762"></a>
<span class="sourceLineNo">763</span>        Iterator iterator = this.intervals.iterator();<a name="line.763"></a>
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<span class="sourceLineNo">772</span>                    color);<a name="line.772"></a>
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<span class="sourceLineNo">780</span>     * Draws the plot on a Java 2D graphics device (such as the screen or a<a name="line.780"></a>
<span class="sourceLineNo">781</span>     * printer).<a name="line.781"></a>
<span class="sourceLineNo">782</span>     *<a name="line.782"></a>
<span class="sourceLineNo">783</span>     * @param g2  the graphics device.<a name="line.783"></a>
<span class="sourceLineNo">784</span>     * @param area  the area within which the plot should be drawn.<a name="line.784"></a>
<span class="sourceLineNo">785</span>     * @param anchor  the anchor point (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.785"></a>
<span class="sourceLineNo">786</span>     * @param parentState  the state from the parent plot, if there is one.<a name="line.786"></a>
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<span class="sourceLineNo">791</span>                     PlotState parentState, PlotRenderingInfo info) {<a name="line.791"></a>
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<span class="sourceLineNo">796</span><a name="line.796"></a>
<span class="sourceLineNo">797</span>        // adjust for insets...<a name="line.797"></a>
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<span class="sourceLineNo">799</span>        insets.trim(area);<a name="line.799"></a>
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<span class="sourceLineNo">801</span>        area.setRect(area.getX() + 4, area.getY() + 4, area.getWidth() - 8,<a name="line.801"></a>
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<span class="sourceLineNo">803</span><a name="line.803"></a>
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<span class="sourceLineNo">808</span><a name="line.808"></a>
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<span class="sourceLineNo">813</span>        double meterY = area.getY() + gapVertical / 2;<a name="line.813"></a>
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<span class="sourceLineNo">815</span>        double meterH = area.getHeight() - gapVertical<a name="line.815"></a>
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<span class="sourceLineNo">817</span>                ? area.getHeight() / 1.25 : 0);<a name="line.817"></a>
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<span class="sourceLineNo">822</span>        meterW = 2 * min;<a name="line.822"></a>
<span class="sourceLineNo">823</span>        meterH = 2 * min;<a name="line.823"></a>
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<span class="sourceLineNo">826</span>                meterH);<a name="line.826"></a>
<span class="sourceLineNo">827</span><a name="line.827"></a>
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<span class="sourceLineNo">830</span>                meterArea.getWidth() + 8, meterArea.getHeight() + 8);<a name="line.830"></a>
<span class="sourceLineNo">831</span><a name="line.831"></a>
<span class="sourceLineNo">832</span>        double meterMiddleX = meterArea.getCenterX();<a name="line.832"></a>
<span class="sourceLineNo">833</span>        double meterMiddleY = meterArea.getCenterY();<a name="line.833"></a>
<span class="sourceLineNo">834</span><a name="line.834"></a>
<span class="sourceLineNo">835</span>        // plot the data (unless the dataset is null)...<a name="line.835"></a>
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<span class="sourceLineNo">839</span>            double dataMax = this.range.getUpperBound();<a name="line.839"></a>
<span class="sourceLineNo">840</span><a name="line.840"></a>
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<span class="sourceLineNo">845</span>                    getForegroundAlpha()));<a name="line.845"></a>
<span class="sourceLineNo">846</span><a name="line.846"></a>
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<span class="sourceLineNo">853</span>                    this.dialOutlinePaint, new BasicStroke(1.0f), null));<a name="line.853"></a>
<span class="sourceLineNo">854</span><a name="line.854"></a>
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<span class="sourceLineNo">856</span>            while (iterator.hasNext()) {<a name="line.856"></a>
<span class="sourceLineNo">857</span>                MeterInterval interval = (MeterInterval) iterator.next();<a name="line.857"></a>
<span class="sourceLineNo">858</span>                drawArcForInterval(g2, meterArea, interval);<a name="line.858"></a>
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<span class="sourceLineNo">860</span><a name="line.860"></a>
<span class="sourceLineNo">861</span>            Number n = data.getValue();<a name="line.861"></a>
<span class="sourceLineNo">862</span>            if (n != null) {<a name="line.862"></a>
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<span class="sourceLineNo">866</span>                if (this.range.contains(value)) {<a name="line.866"></a>
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<span class="sourceLineNo">868</span>                    g2.setStroke(new BasicStroke(2.0f));<a name="line.868"></a>
<span class="sourceLineNo">869</span><a name="line.869"></a>
<span class="sourceLineNo">870</span>                    double radius = (meterArea.getWidth() / 2)<a name="line.870"></a>
<span class="sourceLineNo">871</span>                                    + DEFAULT_BORDER_SIZE + 15;<a name="line.871"></a>
<span class="sourceLineNo">872</span>                    double valueAngle = valueToAngle(value);<a name="line.872"></a>
<span class="sourceLineNo">873</span>                    double valueP1 = meterMiddleX<a name="line.873"></a>
<span class="sourceLineNo">874</span>                            + (radius * Math.cos(Math.PI * (valueAngle / 180)));<a name="line.874"></a>
<span class="sourceLineNo">875</span>                    double valueP2 = meterMiddleY<a name="line.875"></a>
<span class="sourceLineNo">876</span>                            - (radius * Math.sin(Math.PI * (valueAngle / 180)));<a name="line.876"></a>
<span class="sourceLineNo">877</span><a name="line.877"></a>
<span class="sourceLineNo">878</span>                    Polygon arrow = new Polygon();<a name="line.878"></a>
<span class="sourceLineNo">879</span>                    if ((valueAngle &gt; 135 &amp;&amp; valueAngle &lt; 225)<a name="line.879"></a>
<span class="sourceLineNo">880</span>                        || (valueAngle &lt; 45 &amp;&amp; valueAngle &gt; -45)) {<a name="line.880"></a>
<span class="sourceLineNo">881</span><a name="line.881"></a>
<span class="sourceLineNo">882</span>                        double valueP3 = (meterMiddleY<a name="line.882"></a>
<span class="sourceLineNo">883</span>                                - DEFAULT_CIRCLE_SIZE / 4);<a name="line.883"></a>
<span class="sourceLineNo">884</span>                        double valueP4 = (meterMiddleY<a name="line.884"></a>
<span class="sourceLineNo">885</span>                                + DEFAULT_CIRCLE_SIZE / 4);<a name="line.885"></a>
<span class="sourceLineNo">886</span>                        arrow.addPoint((int) meterMiddleX, (int) valueP3);<a name="line.886"></a>
<span class="sourceLineNo">887</span>                        arrow.addPoint((int) meterMiddleX, (int) valueP4);<a name="line.887"></a>
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<span class="sourceLineNo">889</span>                    }<a name="line.889"></a>
<span class="sourceLineNo">890</span>                    else {<a name="line.890"></a>
<span class="sourceLineNo">891</span>                        arrow.addPoint((int) (meterMiddleX<a name="line.891"></a>
<span class="sourceLineNo">892</span>                                - DEFAULT_CIRCLE_SIZE / 4), (int) meterMiddleY);<a name="line.892"></a>
<span class="sourceLineNo">893</span>                        arrow.addPoint((int) (meterMiddleX<a name="line.893"></a>
<span class="sourceLineNo">894</span>                                + DEFAULT_CIRCLE_SIZE / 4), (int) meterMiddleY);<a name="line.894"></a>
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<span class="sourceLineNo">896</span>                    arrow.addPoint((int) valueP1, (int) valueP2);<a name="line.896"></a>
<span class="sourceLineNo">897</span>                    g2.fill(arrow);<a name="line.897"></a>
<span class="sourceLineNo">898</span><a name="line.898"></a>
<span class="sourceLineNo">899</span>                    Ellipse2D circle = new Ellipse2D.Double(meterMiddleX<a name="line.899"></a>
<span class="sourceLineNo">900</span>                            - DEFAULT_CIRCLE_SIZE / 2, meterMiddleY<a name="line.900"></a>
<span class="sourceLineNo">901</span>                            - DEFAULT_CIRCLE_SIZE / 2, DEFAULT_CIRCLE_SIZE,<a name="line.901"></a>
<span class="sourceLineNo">902</span>                            DEFAULT_CIRCLE_SIZE);<a name="line.902"></a>
<span class="sourceLineNo">903</span>                    g2.fill(circle);<a name="line.903"></a>
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<span class="sourceLineNo">905</span>            }<a name="line.905"></a>
<span class="sourceLineNo">906</span><a name="line.906"></a>
<span class="sourceLineNo">907</span>            g2.setClip(savedClip);<a name="line.907"></a>
<span class="sourceLineNo">908</span>            g2.setComposite(originalComposite);<a name="line.908"></a>
<span class="sourceLineNo">909</span><a name="line.909"></a>
<span class="sourceLineNo">910</span>        }<a name="line.910"></a>
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<span class="sourceLineNo">912</span>            drawOutline(g2, area);<a name="line.912"></a>
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<span class="sourceLineNo">914</span><a name="line.914"></a>
<span class="sourceLineNo">915</span>    }<a name="line.915"></a>
<span class="sourceLineNo">916</span><a name="line.916"></a>
<span class="sourceLineNo">917</span>    /**<a name="line.917"></a>
<span class="sourceLineNo">918</span>     * Draws the arc to represent an interval.<a name="line.918"></a>
<span class="sourceLineNo">919</span>     *<a name="line.919"></a>
<span class="sourceLineNo">920</span>     * @param g2  the graphics device.<a name="line.920"></a>
<span class="sourceLineNo">921</span>     * @param meterArea  the drawing area.<a name="line.921"></a>
<span class="sourceLineNo">922</span>     * @param interval  the interval.<a name="line.922"></a>
<span class="sourceLineNo">923</span>     */<a name="line.923"></a>
<span class="sourceLineNo">924</span>    protected void drawArcForInterval(Graphics2D g2, Rectangle2D meterArea,<a name="line.924"></a>
<span class="sourceLineNo">925</span>                                      MeterInterval interval) {<a name="line.925"></a>
<span class="sourceLineNo">926</span><a name="line.926"></a>
<span class="sourceLineNo">927</span>        double minValue = interval.getRange().getLowerBound();<a name="line.927"></a>
<span class="sourceLineNo">928</span>        double maxValue = interval.getRange().getUpperBound();<a name="line.928"></a>
<span class="sourceLineNo">929</span>        Paint outlinePaint = interval.getOutlinePaint();<a name="line.929"></a>
<span class="sourceLineNo">930</span>        Stroke outlineStroke = interval.getOutlineStroke();<a name="line.930"></a>
<span class="sourceLineNo">931</span>        Paint backgroundPaint = interval.getBackgroundPaint();<a name="line.931"></a>
<span class="sourceLineNo">932</span><a name="line.932"></a>
<span class="sourceLineNo">933</span>        if (backgroundPaint != null) {<a name="line.933"></a>
<span class="sourceLineNo">934</span>            fillArc(g2, meterArea, minValue, maxValue, backgroundPaint, false);<a name="line.934"></a>
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<span class="sourceLineNo">936</span>        if (outlinePaint != null) {<a name="line.936"></a>
<span class="sourceLineNo">937</span>            if (outlineStroke != null) {<a name="line.937"></a>
<span class="sourceLineNo">938</span>                drawArc(g2, meterArea, minValue, maxValue, outlinePaint,<a name="line.938"></a>
<span class="sourceLineNo">939</span>                        outlineStroke);<a name="line.939"></a>
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<span class="sourceLineNo">941</span>            drawTick(g2, meterArea, minValue, true);<a name="line.941"></a>
<span class="sourceLineNo">942</span>            drawTick(g2, meterArea, maxValue, true);<a name="line.942"></a>
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<span class="sourceLineNo">945</span><a name="line.945"></a>
<span class="sourceLineNo">946</span>    /**<a name="line.946"></a>
<span class="sourceLineNo">947</span>     * Draws an arc.<a name="line.947"></a>
<span class="sourceLineNo">948</span>     *<a name="line.948"></a>
<span class="sourceLineNo">949</span>     * @param g2  the graphics device.<a name="line.949"></a>
<span class="sourceLineNo">950</span>     * @param area  the plot area.<a name="line.950"></a>
<span class="sourceLineNo">951</span>     * @param minValue  the minimum value.<a name="line.951"></a>
<span class="sourceLineNo">952</span>     * @param maxValue  the maximum value.<a name="line.952"></a>
<span class="sourceLineNo">953</span>     * @param paint  the paint.<a name="line.953"></a>
<span class="sourceLineNo">954</span>     * @param stroke  the stroke.<a name="line.954"></a>
<span class="sourceLineNo">955</span>     */<a name="line.955"></a>
<span class="sourceLineNo">956</span>    protected void drawArc(Graphics2D g2, Rectangle2D area, double minValue,<a name="line.956"></a>
<span class="sourceLineNo">957</span>                           double maxValue, Paint paint, Stroke stroke) {<a name="line.957"></a>
<span class="sourceLineNo">958</span><a name="line.958"></a>
<span class="sourceLineNo">959</span>        double startAngle = valueToAngle(maxValue);<a name="line.959"></a>
<span class="sourceLineNo">960</span>        double endAngle = valueToAngle(minValue);<a name="line.960"></a>
<span class="sourceLineNo">961</span>        double extent = endAngle - startAngle;<a name="line.961"></a>
<span class="sourceLineNo">962</span><a name="line.962"></a>
<span class="sourceLineNo">963</span>        double x = area.getX();<a name="line.963"></a>
<span class="sourceLineNo">964</span>        double y = area.getY();<a name="line.964"></a>
<span class="sourceLineNo">965</span>        double w = area.getWidth();<a name="line.965"></a>
<span class="sourceLineNo">966</span>        double h = area.getHeight();<a name="line.966"></a>
<span class="sourceLineNo">967</span>        g2.setPaint(paint);<a name="line.967"></a>
<span class="sourceLineNo">968</span>        g2.setStroke(stroke);<a name="line.968"></a>
<span class="sourceLineNo">969</span><a name="line.969"></a>
<span class="sourceLineNo">970</span>        if (paint != null &amp;&amp; stroke != null) {<a name="line.970"></a>
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<span class="sourceLineNo">972</span>                    extent, Arc2D.OPEN);<a name="line.972"></a>
<span class="sourceLineNo">973</span>            g2.setPaint(paint);<a name="line.973"></a>
<span class="sourceLineNo">974</span>            g2.setStroke(stroke);<a name="line.974"></a>
<span class="sourceLineNo">975</span>            g2.draw(arc);<a name="line.975"></a>
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<span class="sourceLineNo">977</span><a name="line.977"></a>
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<span class="sourceLineNo">979</span><a name="line.979"></a>
<span class="sourceLineNo">980</span>    /**<a name="line.980"></a>
<span class="sourceLineNo">981</span>     * Fills an arc on the dial between the given values.<a name="line.981"></a>
<span class="sourceLineNo">982</span>     *<a name="line.982"></a>
<span class="sourceLineNo">983</span>     * @param g2  the graphics device.<a name="line.983"></a>
<span class="sourceLineNo">984</span>     * @param area  the plot area.<a name="line.984"></a>
<span class="sourceLineNo">985</span>     * @param minValue  the minimum data value.<a name="line.985"></a>
<span class="sourceLineNo">986</span>     * @param maxValue  the maximum data value.<a name="line.986"></a>
<span class="sourceLineNo">987</span>     * @param paint  the background paint (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.987"></a>
<span class="sourceLineNo">988</span>     * @param dial  a flag that indicates whether the arc represents the whole<a name="line.988"></a>
<span class="sourceLineNo">989</span>     *              dial.<a name="line.989"></a>
<span class="sourceLineNo">990</span>     */<a name="line.990"></a>
<span class="sourceLineNo">991</span>    protected void fillArc(Graphics2D g2, Rectangle2D area,<a name="line.991"></a>
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<span class="sourceLineNo">993</span><a name="line.993"></a>
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<span class="sourceLineNo">995</span>        double startAngle = valueToAngle(maxValue);<a name="line.995"></a>
<span class="sourceLineNo">996</span>        double endAngle = valueToAngle(minValue);<a name="line.996"></a>
<span class="sourceLineNo">997</span>        double extent = endAngle - startAngle;<a name="line.997"></a>
<span class="sourceLineNo">998</span><a name="line.998"></a>
<span class="sourceLineNo">999</span>        double x = area.getX();<a name="line.999"></a>
<span class="sourceLineNo">1000</span>        double y = area.getY();<a name="line.1000"></a>
<span class="sourceLineNo">1001</span>        double w = area.getWidth();<a name="line.1001"></a>
<span class="sourceLineNo">1002</span>        double h = area.getHeight();<a name="line.1002"></a>
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<span class="sourceLineNo">1032</span>     * Translates a data value to an angle on the dial.<a name="line.1032"></a>
<span class="sourceLineNo">1033</span>     *<a name="line.1033"></a>
<span class="sourceLineNo">1034</span>     * @param value  the value.<a name="line.1034"></a>
<span class="sourceLineNo">1035</span>     *<a name="line.1035"></a>
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<span class="sourceLineNo">1044</span>    /**<a name="line.1044"></a>
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<span class="sourceLineNo">1046</span>     *<a name="line.1046"></a>
<span class="sourceLineNo">1047</span>     * @param g2  the graphics device.<a name="line.1047"></a>
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<span class="sourceLineNo">1050</span>     * @param maxValue  the maximum value.<a name="line.1050"></a>
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<span class="sourceLineNo">1061</span>     *<a name="line.1061"></a>
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<span class="sourceLineNo">1073</span>     *<a name="line.1073"></a>
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<span class="sourceLineNo">1076</span>     * @param value  the tick value.<a name="line.1076"></a>
<span class="sourceLineNo">1077</span>     * @param label  a flag that controls whether or not a value label is drawn.<a name="line.1077"></a>
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<span class="sourceLineNo">1081</span><a name="line.1081"></a>
<span class="sourceLineNo">1082</span>        double valueAngle = valueToAngle(value);<a name="line.1082"></a>
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<span class="sourceLineNo">1085</span>        double meterMiddleY = meterArea.getCenterY();<a name="line.1085"></a>
<span class="sourceLineNo">1086</span><a name="line.1086"></a>
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<span class="sourceLineNo">1088</span>        g2.setStroke(new BasicStroke(2.0f));<a name="line.1088"></a>
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<span class="sourceLineNo">1091</span>        double valueP2Y;<a name="line.1091"></a>
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<span class="sourceLineNo">1093</span>        double radius = (meterArea.getWidth() / 2) + DEFAULT_BORDER_SIZE;<a name="line.1093"></a>
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<span class="sourceLineNo">1100</span><a name="line.1100"></a>
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<span class="sourceLineNo">1104</span>                - (radius1 * Math.sin(Math.PI * (valueAngle / 180)));<a name="line.1104"></a>
<span class="sourceLineNo">1105</span><a name="line.1105"></a>
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<span class="sourceLineNo">1109</span><a name="line.1109"></a>
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<span class="sourceLineNo">1111</span><a name="line.1111"></a>
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<span class="sourceLineNo">1114</span>            g2.setPaint(this.tickLabelPaint);<a name="line.1114"></a>
<span class="sourceLineNo">1115</span><a name="line.1115"></a>
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<span class="sourceLineNo">1118</span>                = TextUtilities.getTextBounds(tickLabel, g2, fm);<a name="line.1118"></a>
<span class="sourceLineNo">1119</span><a name="line.1119"></a>
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<span class="sourceLineNo">1121</span>            double y = valueP2Y;<a name="line.1121"></a>
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<span class="sourceLineNo">1128</span>            if ((valueAngle &gt; 135 &amp;&amp; valueAngle &lt; 225)<a name="line.1128"></a>
<span class="sourceLineNo">1129</span>                    || valueAngle &gt; 315 || valueAngle &lt; 45) {<a name="line.1129"></a>
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<span class="sourceLineNo">1139</span>    /**<a name="line.1139"></a>
<span class="sourceLineNo">1140</span>     * Draws the value label just below the center of the dial.<a name="line.1140"></a>
<span class="sourceLineNo">1141</span>     *<a name="line.1141"></a>
<span class="sourceLineNo">1142</span>     * @param g2  the graphics device.<a name="line.1142"></a>
<span class="sourceLineNo">1143</span>     * @param area  the plot area.<a name="line.1143"></a>
<span class="sourceLineNo">1144</span>     */<a name="line.1144"></a>
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<span class="sourceLineNo">1147</span>        g2.setPaint(this.valuePaint);<a name="line.1147"></a>
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<span class="sourceLineNo">1149</span>        if (this.dataset != null) {<a name="line.1149"></a>
<span class="sourceLineNo">1150</span>            Number n = this.dataset.getValue();<a name="line.1150"></a>
<span class="sourceLineNo">1151</span>            if (n != null) {<a name="line.1151"></a>
<span class="sourceLineNo">1152</span>                valueStr = this.tickLabelFormat.format(n.doubleValue()) + " "<a name="line.1152"></a>
<span class="sourceLineNo">1153</span>                         + this.units;<a name="line.1153"></a>
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<span class="sourceLineNo">1158</span>        TextUtilities.drawAlignedString(valueStr, g2, x, y,<a name="line.1158"></a>
<span class="sourceLineNo">1159</span>                TextAnchor.TOP_CENTER);<a name="line.1159"></a>
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<span class="sourceLineNo">1162</span>    /**<a name="line.1162"></a>
<span class="sourceLineNo">1163</span>     * Returns a short string describing the type of plot.<a name="line.1163"></a>
<span class="sourceLineNo">1164</span>     *<a name="line.1164"></a>
<span class="sourceLineNo">1165</span>     * @return A string describing the type of plot.<a name="line.1165"></a>
<span class="sourceLineNo">1166</span>     */<a name="line.1166"></a>
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<span class="sourceLineNo">1168</span>    public String getPlotType() {<a name="line.1168"></a>
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<span class="sourceLineNo">1172</span>    /**<a name="line.1172"></a>
<span class="sourceLineNo">1173</span>     * A zoom method that does nothing.  Plots are required to support the<a name="line.1173"></a>
<span class="sourceLineNo">1174</span>     * zoom operation.  In the case of a meter plot, it doesn't make sense to<a name="line.1174"></a>
<span class="sourceLineNo">1175</span>     * zoom in or out, so the method is empty.<a name="line.1175"></a>
<span class="sourceLineNo">1176</span>     *<a name="line.1176"></a>
<span class="sourceLineNo">1177</span>     * @param percent   The zoom percentage.<a name="line.1177"></a>
<span class="sourceLineNo">1178</span>     */<a name="line.1178"></a>
<span class="sourceLineNo">1179</span>    @Override<a name="line.1179"></a>
<span class="sourceLineNo">1180</span>    public void zoom(double percent) {<a name="line.1180"></a>
<span class="sourceLineNo">1181</span>        // intentionally blank<a name="line.1181"></a>
<span class="sourceLineNo">1182</span>    }<a name="line.1182"></a>
<span class="sourceLineNo">1183</span><a name="line.1183"></a>
<span class="sourceLineNo">1184</span>    /**<a name="line.1184"></a>
<span class="sourceLineNo">1185</span>     * Tests the plot for equality with an arbitrary object.  Note that the<a name="line.1185"></a>
<span class="sourceLineNo">1186</span>     * dataset is ignored for the purposes of testing equality.<a name="line.1186"></a>
<span class="sourceLineNo">1187</span>     *<a name="line.1187"></a>
<span class="sourceLineNo">1188</span>     * @param obj  the object (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.1188"></a>
<span class="sourceLineNo">1189</span>     *<a name="line.1189"></a>
<span class="sourceLineNo">1190</span>     * @return A boolean.<a name="line.1190"></a>
<span class="sourceLineNo">1191</span>     */<a name="line.1191"></a>
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<span class="sourceLineNo">1193</span>    public boolean equals(Object obj) {<a name="line.1193"></a>
<span class="sourceLineNo">1194</span>        if (obj == this) {<a name="line.1194"></a>
<span class="sourceLineNo">1195</span>            return true;<a name="line.1195"></a>
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<span class="sourceLineNo">1198</span>            return false;<a name="line.1198"></a>
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<span class="sourceLineNo">1210</span>        if (!ObjectUtilities.equal(this.intervals, that.intervals)) {<a name="line.1210"></a>
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<span class="sourceLineNo">1258</span>        return true;<a name="line.1258"></a>
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<span class="sourceLineNo">1260</span><a name="line.1260"></a>
<span class="sourceLineNo">1261</span>    /**<a name="line.1261"></a>
<span class="sourceLineNo">1262</span>     * Provides serialization support.<a name="line.1262"></a>
<span class="sourceLineNo">1263</span>     *<a name="line.1263"></a>
<span class="sourceLineNo">1264</span>     * @param stream  the output stream.<a name="line.1264"></a>
<span class="sourceLineNo">1265</span>     *<a name="line.1265"></a>
<span class="sourceLineNo">1266</span>     * @throws IOException  if there is an I/O error.<a name="line.1266"></a>
<span class="sourceLineNo">1267</span>     */<a name="line.1267"></a>
<span class="sourceLineNo">1268</span>    private void writeObject(ObjectOutputStream stream) throws IOException {<a name="line.1268"></a>
<span class="sourceLineNo">1269</span>        stream.defaultWriteObject();<a name="line.1269"></a>
<span class="sourceLineNo">1270</span>        SerialUtilities.writePaint(this.dialBackgroundPaint, stream);<a name="line.1270"></a>
<span class="sourceLineNo">1271</span>        SerialUtilities.writePaint(this.dialOutlinePaint, stream);<a name="line.1271"></a>
<span class="sourceLineNo">1272</span>        SerialUtilities.writePaint(this.needlePaint, stream);<a name="line.1272"></a>
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<span class="sourceLineNo">1274</span>        SerialUtilities.writePaint(this.tickPaint, stream);<a name="line.1274"></a>
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<span class="sourceLineNo">1278</span>    /**<a name="line.1278"></a>
<span class="sourceLineNo">1279</span>     * Provides serialization support.<a name="line.1279"></a>
<span class="sourceLineNo">1280</span>     *<a name="line.1280"></a>
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<span class="sourceLineNo">1288</span>        stream.defaultReadObject();<a name="line.1288"></a>
<span class="sourceLineNo">1289</span>        this.dialBackgroundPaint = SerialUtilities.readPaint(stream);<a name="line.1289"></a>
<span class="sourceLineNo">1290</span>        this.dialOutlinePaint = SerialUtilities.readPaint(stream);<a name="line.1290"></a>
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<span class="sourceLineNo">1294</span>        this.tickLabelPaint = SerialUtilities.readPaint(stream);<a name="line.1294"></a>
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<span class="sourceLineNo">1296</span>            this.dataset.addChangeListener(this);<a name="line.1296"></a>
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<span class="sourceLineNo">1301</span>     * Returns an independent copy (clone) of the plot.  The dataset is NOT<a name="line.1301"></a>
<span class="sourceLineNo">1302</span>     * cloned - both the original and the clone will have a reference to the<a name="line.1302"></a>
<span class="sourceLineNo">1303</span>     * same dataset.<a name="line.1303"></a>
<span class="sourceLineNo">1304</span>     *<a name="line.1304"></a>
<span class="sourceLineNo">1305</span>     * @return A clone.<a name="line.1305"></a>
<span class="sourceLineNo">1306</span>     *<a name="line.1306"></a>
<span class="sourceLineNo">1307</span>     * @throws CloneNotSupportedException if some component of the plot cannot<a name="line.1307"></a>
<span class="sourceLineNo">1308</span>     *         be cloned.<a name="line.1308"></a>
<span class="sourceLineNo">1309</span>     */<a name="line.1309"></a>
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<span class="sourceLineNo">1311</span>    public Object clone() throws CloneNotSupportedException {<a name="line.1311"></a>
<span class="sourceLineNo">1312</span>        MeterPlot clone = (MeterPlot) super.clone();<a name="line.1312"></a>
<span class="sourceLineNo">1313</span>        clone.tickLabelFormat = (NumberFormat) this.tickLabelFormat.clone();<a name="line.1313"></a>
<span class="sourceLineNo">1314</span>        // the following relies on the fact that the intervals are immutable<a name="line.1314"></a>
<span class="sourceLineNo">1315</span>        clone.intervals = new java.util.ArrayList(this.intervals);<a name="line.1315"></a>
<span class="sourceLineNo">1316</span>        if (clone.dataset != null) {<a name="line.1316"></a>
<span class="sourceLineNo">1317</span>            clone.dataset.addChangeListener(clone);<a name="line.1317"></a>
<span class="sourceLineNo">1318</span>        }<a name="line.1318"></a>
<span class="sourceLineNo">1319</span>        return clone;<a name="line.1319"></a>
<span class="sourceLineNo">1320</span>    }<a name="line.1320"></a>
<span class="sourceLineNo">1321</span><a name="line.1321"></a>
<span class="sourceLineNo">1322</span>}<a name="line.1322"></a>




























































</pre>
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